Intestinal worms (or helminths) are multicellular parasites that live inside the gut. When mature, they can generally be seen with the naked eye. In developing countries with poor sanitation, the most…

Allergic reactions to food have dramatically increased over the past 10 to 20 years.
Dan Peled/AAP25 août 2014

To understand why we fart, you need to know something about the volume of gases produced in the bowels first. Imagine how much space 25 litres of gas would occupy – about one third of the interior of a…